
//存放坐标
public class Coord
{
    public int x;
    public int y;

    public Coord(int x, int y)
    {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public int getY() {
        return y;
    }

    public void setY(int y) {
        this.y = y;
    }

    @Override
    public boolean equals(Object obj)
    {
        if (obj == null) return false;
        if (obj instanceof Coord)
        {
            Coord c = (Coord) obj;
            return x == c.x && y == c.y;
        }
        return false;
    }

    @Override
    public String toString() {
        return "Coord{" +
                "x=" + x +
                ", y=" + y +
                '}';
    }
}